Why does the Power of 3 impact our reader?
According to Rebecca McClanahan, the author of one of my favorite writing tools, Word Painting, sensory details penetrate the layers of our consciousness. The better the writer is at providing those details, the greater the impact on the reader.
When we take the time to accurately describe a costume with color, fabric, and structure, we are providing sensory details that bring a character to life.
Color engages our sense of sight.
Fabric or texture stirs our sense of touch.
Structure reinforces both of those activated senses.
If a scene seems dead, consider closely observed details that will awaken the senses.